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How to represent "empty" \ "nothing"

Hi dear community...

I'm interested in building a correlation rule to trigger when in a specific event,

and destination source user field is empty.

but i have a hard time understanding How to represent "empty" \ "nothing" in the system.

i will really appreciate your help/ thank you very much !!!

Robot Happy

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Re: How to represent "empty" \ "nothing"


I think the right Syntax is:

{Unavailable} 0


Try it 🙂

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